First try to make use of the xbps-alternatives for the three versions
of lua we have now. As an example how this simplifies packages the
xmoto package patches for detecting lua52 were removed.
Also revbump or update the packages depending on lua53 to cope
for the soname change (liblua.so.5.3 to liblua5.3.so.5.3)
+ imapfilter (rev 3)
+ vim (rev 2)
+ mame (rev 2)
+ xmoto (rev 6)
+ glu (rev 6) - rebuild for musl
+ Rename lua and lua-devel to lua52 and lua52-devel
+ Modify packages depending on lua52 accordingly:
+ Many packages auto-detect lua52 files
+ Some packages need hints where / how to find lua52
+ One package (xmoto) downgraded to lua51, because it wouldn't find lua52
+ One package (vim) upgraded to lua (5.3.1)
There may be more packages upgradable without problems.
I didn't want to change too much in this move without the
respective package maintainers first taking a look.
Most notably conky-cli wouldn't work with lua52. I upgraded it
to 1.10.0 (same as conky) and tried to keep the flags the same
for the change from gnu-configure to cmake.